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💎 Polish, Create, Inspire — Your Gemstone Journey Starts Here!
The National Geographic Rock Tumbler Refill Kit offers 1 lb of nine diverse raw gemstones, including Tiger's Eye and Amethyst, paired with four grades of polishing grit to transform rough stones into sparkling gems. Complete with jewelry fastenings and an educational guide, this kit empowers creative professionals and hobbyists to craft personalized jewelry while deepening their knowledge of geology and gemology.





| ASIN | B017L46G9G |
| Age Range Description | Kid |
| Art Craft Kit Type | Jewelry Kit |
| Best Sellers Rank | #73,330 in Toys ( See Top 100 in Toys ) #1,346 in Play Figure Playsets |
| Brand Name | Blue Marble |
| Color | multicolour |
| Customer Reviews | 4.6 4.6 out of 5 stars (6,203) |
| Global Trade Identification Number | 00851456006142 |
| Included Components | Courses of polishing grit (4), Jewelry fastenings (6), Learning guide, Toy |
| Item Dimensions | 7.6 x 7.6 x 20.3 centimeters |
| Item Type Name | toy |
| Item Weight | 1.4 Pounds |
| Manufacturer | Discover with Dr. Cool |
| Manufacturer Part Number | NGGEMREFILL |
| Material Type | Cotton |
| Model Name | NGGEMREFILL |
| Model Number | NGGEMREFILL |
| Product Style | Gemstone Mix |
| Seasons | All Seasons |
| Set Name | National Geographic |
| Size | 1 Pound |
| Subject Character | Tiger |
| Theme | geology |
| UPC | 793631124343 783627686269 851456006142 |
| Unit Count | 1 Count |
| Warranty Description | No Warranty |
User
Breathtaking stones! Expectations blown away.
I purchased this kit for a different brand of rock tumbler and I am currently still in the tumbling process. When I opened the box I was shocked by two things. First, I received higher quality stones than expected. Even in their rough states, I could tell that they would all turn out beautiful. This kit includes the most amazing stones any hobbyist could ever want. Also, there were twice as many stones as could fit in my brand of tumbler, so I got a two-for-one bonus by accident. My expectations were exceeded. I assumed the kit would include a few small okay-looking stones and the rest would be disappointing. Not so! The manufacturers include huge, beautiful stones in this kit. I've used another kit that included really lackluster and not-so-pretty stones, but the quality of this product blew my mind. I expected half as many stones, each at half the size, and maybe altogether the stones would be pretty lame. Maybe a few would be pretty. Even though I'm far from done tumbling this kit, I can already tell that my stones will all be beautiful. This kit is the one to buy, even if your tumbler is of a different brand.That said, the other thing I noticed is that the kit does not include any instructions, which can be troublesome for those like me who purchase this kit for another brand of tumbler. Not a problem, though, as a quick Google search and my own judgement of the stones after each cycle will be sufficient to get the results I desire. It's the nature of the craft, anyway. More of an art than a science, as no two stones will ever be alike. I will definitely purchase this again! (Note: pictures included in review depict half of the stones in the kit prior to tumbling, and the other half of the stones after the first grit cycle.)
User
satisfied with product
I got gud amount of stones and very satisfied with this product.happy with delivery time also fast delivery.i will purchase more in future.thank u.
User
Perfect for tumbler
Work perfectly in our tumbler.
User
Rohedelsteine
Alles super, so wie vorgestellt! Was mir fehlt ist ein Hinweis, woher ich die Schleifmittel bekommen kann. Hans
User
Polvos mágico
No lo he gastado aún
Trustpilot
3 weeks ago
1 month ago